#355FDA#355FDA

#355FDA is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.0% C 0.194 H 265.7°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#355FDA
RGB	rgb(53, 95, 218)
HSL	hsl(225, 69%, 53%)
HSV	hsv(225, 76%, 85%)
CMYK	cmyk(75.7%, 56.4%, 0%, 14.5%)
CIE-LAB	lab(44.23, 28.62, -67.15)
CIE-LCH	lch(44.23, 72.99, 293.08°)
OKLab	oklab(52.98% -0.0146 -0.1938)
OKLCH	oklch(52.98% 0.194 265.7)
XYZ	xyz(18.2108, 14.0012, 68.0588)
Luminance	0.1400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FDA #DAB035

analogous

#35B2DA #355FDA #5D35DA

triadic

#355FDA #DA355F #5FDA35

tetradic

#355FDA #DA35B2 #DAB035 #35DA5D

square

#355FDA #DA35B2 #DAB035 #35DA5D

split-complementary

#355FDA #DA5D35 #B2DA35

monochromatic

#17317E #2045B1 #355FDA #6988E3 #9CB1ED

Accessibility & contrast

On white

5.53

#355FDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#355FDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FDA

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FDA	#FFFFFF	#000000	##FFFFFF
##355FDA	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071DE

Deuteranopia (green-blind)

#0061D8

Tritanopia (blue-blind)

#007E93

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #355fda;
/* rgb */ color: rgb(53, 95, 218);
/* oklch */ color: oklch(53.0% 0.194 265.7);

Tailwind

colors: {
  custom: {
    50: '#848be6',
    500: '#355fda',
    950: '#000000',
  },
}

SCSS

$custom: #355fda;
$custom-light: #848be6;
$custom-dark: #000000;

JSON

{
  "hex": "#355fda",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 218
  },
  "hsl": {
    "h": 224.727,
    "s": 69.038,
    "l": 53.137
  },
  "oklch": {
    "l": 0.5298,
    "c": 0.19433,
    "h": 265.7
  },
  "luminance": 0.14003
}

Semantic roles & 50–950 ramp

primary

#355FDA

secondary

#D9C792

accent

#BF3CEC

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0D0C16

muted

#7D7D84

Preview Lab

Preview with #355FDA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →